'biological indicator' is a correct and usable phrase in written English.
It is typically used to refer to a living organism (such as a plant or animal) that is used to gauge environmental or other conditions. For example, "The presence of frogs serves as a biological indicator of a healthy ecosystem."
The new spider water beetle is small, only 1.5mm long, legs excluded, but has big potential as a biological indicator of water quality.
What these migrations tell us can be very interesting: "Here is an organism, a biological indicator that is sampling a huge part of the globe within a year, in fact sometimes within just one month".
Among pregnant smokers, 23 percent reported that they did not smoke, despite high blood levels of cotinine, a biological indicator of tobacco exposure, that showed they did.
In other research, intersex has been used as a biological indicator of the impact of so-called endocrine-disrupting chemicals (EDCs), which interfere with the hormones that are responsible for the regulation of development and other processes.
In a study published online in the journal Fertility and Sterility, the scientists reported that women who stopped using contraceptives took longer to become pregnant if they had high saliva levels of the enzyme alpha-amylase — a biological indicator of stress.
The hair showed to be a better biological indicator for mineral status in horse than the serum.
Researchers and land managers generally assume that the present distributions of biological indicator species are influenced by the current environment.
This technology is a safe alternative to ethylene oxide (EtO) sterilisation and has its own specific biological indicator system.
This report concerns a pattern of unexplained biological indicator system failure with low temperature hydrogen peroxide plasma sterilisation technology.
Nonetheless, there is still great controversy as to whether M. daubentonii is a good biological indicator or not.
